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57HS20-EC 2Phase NEMA 23 Stepper Motor
Leadshine 57HS20-EC-1000 is a283 oz-in (2.0 Nm)2-phase NEMA 23 stepper motor with 4 000 CPR (1 000-line) incremental encoder (A A- B B- signals). It is built with high quality material and can move smoothly with very low noise and heating. When driven by Leadshineeasy servo drives (closed loop stepper drives) the position loop between 86HS40-EC and the drive is closed. You will never get stall or loss of steps often seen in open loop stepper systems. Because there is no torque resolution needed like in open loop stepper systems you can much better high-speed performance than open loop stepper systems by increasing up to 30%. Leadshine 57HS10-EC can also driven by regular open loop 2-phase stepper drives and feed back encoder signals to motion controllers or external devices. Features: 2-Phase NEMA 23 frame size 283 oz-in (2.0 Nm) holding torque Speed range: 0-3 000 RPM Integrated 1 000-line (4 000 CPR) Incremental Encoder with A A- B and B- signals Strong 0.315 inch (8 mm) shaft Quiet movement and low motor heating Specifications: Model: 57HS20-EC Frame Size: NEMA 23 Phase: 2 Step Angle: 1.8 Number of Leads: 4 Holding Torque: 283.0 Oz-In Encoder Resolution: 4 000 CPR Shaft Size: 0.315 inch Phase Current: 5.8 A Inductance: 2.0 mH Resistance: 0.37 Ohm Rotor Inertia: 0.00677 oz-in-sec2 Length: 3.82 inches Weight: 2.75 lbs Mechanical Specifications (unit: mm): Matching Drive: HBS86 (Easy Servo Drive) DM870 (Stepper Drive) Real Photo:
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